<template>
    <el-row>
      <el-col :span="8" style="padding-right: 10px;">
        <el-card class="box-card">
            <div class="user">
              <img src="../assets/user.png" alt="">
              <div class="userinfo">
                <p class="name">Admin</p>
                <p class="access">超级管理员</p>
              </div>
            </div>
            <div class="login-info">
              <p>上次登录时间：<span>2021-7-19</span></p>
              <p>上次登录地点：<span>武汉</span></p>
            </div>
        </el-card>
        <el-card style="margin-top: 20px;height: 460px;">
          <el-table :data="tableData" style="width: 100%">

            <!-- 方法一 -->
            <!-- <el-table-column prop="name" label="课程">
            </el-table-column>
            <el-table-column prop="todayBuy" label="今日购买">
            </el-table-column>
            <el-table-column prop="monthBuy" label="本月购买">
            </el-table-column>
            <el-table-column prop="totalBuy" label="总购买">
            </el-table-column> -->

            <!-- 用v-for获取键值对
              val是值 key是键 
            -->
            <el-table-column v-for="(val,key) in tableLabel" :prop="key" :label="val" :key="key"/>
          </el-table>
        </el-card>
      </el-col>
      <el-col :span="16" style="padding-left: 10px;">
        <div class="num">
          <!-- 在el-card进行display:flex设置 -->
            <el-card v-for="item in countData" :key="item.name" :body-style="{ display:'flex',padding:0 }">
              <!--  -->
                <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
                <div class="detail">
                  <p class="price">￥{{ item.value }}</p>
                  <p class="desc">{{ item.name }}</p>
                </div>
            </el-card>
        </div>
        <el-card style="height: 280px">
          <!-- 折线图 -->
          <div ref="echarts1" style="height: 280px;"></div>
        </el-card>
        <div class="graph">
          <el-card style="height: 260px">
            <!-- 设置柱状图位置 -->
            <div ref="echarts2" style="height: 260px;"></div>
          </el-card>
          <el-card style="height: 260px">
            <!-- 设置拼图位置 -->
            <div ref="echarts3" style="height: 260px;"></div>
          </el-card>
        </div>
      </el-col>
    </el-row>
</template>

<script>
import { getData } from '../api'
import * as echarts from 'echarts'

export default {
  data(){
      return {
        tableData:[],
        tableLabel:{
            name:'课程',
            todayBuy:'今日购买',
            monthBuy:'本月购买',
            totalBuy:'总购买'
          },
        countData: [
            {
              name: "今日支付订单",
              value: 1234,
              icon: "success",
              color: "#2ec7c9",
            },
            {
              name: "今日收藏订单",
              value: 210,
              icon: "star-on",
              color: "#ffb980",
            },
            {
              name: "今日未支付订单",
              value: 1234,
              icon: "s-goods",
              color: "#5ab1ef",
            },
            {
              name: "本月支付订单",
              value: 1234,
              icon: "success",
              color: "#2ec7c9",
            },
            {
              name: "本月收藏订单",
              value: 210,
              icon: "star-on",
              color: "#ffb980",
            },
            {
              name: "本月未支付订单",
              value: 1234,
              icon: "s-goods",
              color: "#5ab1ef",
            },
          ],
        }
      },
      mounted(){
        getData().then(({ data }) => {
            // console.log(data.getStatisticalData.data);
            
            const { tableData } = data.data
            // 打印获取的全部数据
            console.log(data.data );
            this.tableData = tableData




            const echarts1 = echarts.init(this.$refs.echarts1);
            // console.log(echarts1);
            
            // 指定图表的配置项和数据
            var echarts10ption = {}
            // 处理数据xAxis
            
            const { orderData, userData, videoData } = data.data
            const xAxis = Object.keys(orderData.data[0])
            // console.log(xAxis);
            


            const xAxisData = {
              data: xAxis
            }
            echarts10ption.xAxis = xAxisData
            echarts10ption.yAxis = {}
            echarts10ption.legend = xAxisData
            echarts10ption.series = []
            xAxis.forEach(key => {
                echarts10ption.series.push({
                  name : key,
                  data : orderData.data.map(item => item[key]),
                  type: 'line'
                })
            })
            
            echarts1.setOption(echarts10ption)
            // console.log(echarts10ption);

            // 柱状图
            const echarts2 =  echarts.init(this.$refs.echarts2);
            
            // userData.map(item => item.date)用map获取userData中对应date的数据
            // console.log(userData.map(item => item.date));

            const echarts20ption = {
                    legend: {
                      // 图例文字颜色
                      textStyle: {
                      color: "#333",
                      },
                    },
                    grid: {
                      left: "20%",
                    },
                    // 提示框
                    tooltip: {
                      trigger: "axis",
                    },
                    xAxis: {
                      type: "category", // 类目轴
                      // 引用map
                      data: userData.map(item => item.date),
                      axisLine: {
                        lineStyle: {
                          color: "#17b3a3",
                        },
                      },
                      axisLabel: {
                        interval: 0,
                        color: "#333",
                      },
                    },
                    yAxis: [
                      {
                        type: "value",
                        axisLine: {
                          lineStyle: {
                            color: "#17b3a3",
                          },
                        },
                      },
                    ],
                    color: ["#2ec7c9", "#b6a2de"],
                    series: [
                      {
                        name: '新增用户',
                        data: userData.map(item => item.new),
                        type: 'bar'
                      },
                     {
                        name: '活跃用户',
                        data: userData.map(item => item.active),
                        type: 'bar'
                     } 
                    ],
              }
            
            echarts2.setOption(echarts20ption)

            // 饼状图
            const echarts3 =  echarts.init(this.$refs.echarts3);
            const echarts30ption = {
              tooltip:{ 
                trigger:"item"
              },
              color:[
                "#0f78f4",
                "#dd536b",
                "#9462e5",
                "#a6a6a6",
                "#e1bb22",
                "#39c362",
                "#3ed1cf",
              ],
              series: [
                {
                  data: videoData,
                  type: 'pie'
                }
              ],
            }
            echarts3.setOption(echarts30ption)
          })
      }
  }
</script>

<style lang="less" scoped>
.user{
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
  display: flex;
  align-items: center;
  img {
    margin-right: 40px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
  }
  .userinfo{
    .name{
      font-size: 32px;
      margin-bottom: 10px;
    }
    .access{
      color: #999999;
    }
  }
}

.login-info{
  p{
    line-height: 28px;
    font-size: 14px;
    color: #666666;
    span {
      color: #666666;
      margin-left: 60px;
    }
  }
}
.num{
  display:flex;
  flex-wrap: wrap;
  justify-content: space-between;
  .icon{
    width: 80px;
    height: 80px;
    font-size: 30px;
    text-align: center;
    line-height: 80px;
    color: #fff;
  }
  .detail{
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    .price{
      font-size: 30px;
      margin-bottom: 10px;
      line-height: 30px;
      height: 30px;
    }
    .desc{
      font-size: 14px;
      color: #999;
      text-align: center;
    }
  }
  .el-card {
    width: 32%;
    margin-bottom: 20px;
  }
}
.graph{
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  .el-card{
    width: 48%;
  }
}
</style>
